During an assessment of the cranial nerves, the nurse finds the following: Asymmetry when the client frowns, uneven lifting of the eyebrows, sagging of the lower eyelids, and an escape of air from the right side when the client puffs their cheeks. This would indicate the dysfunction of which of the cranial nerves?
Motor component of IV (Trochlear)
Motor and sensory components of XI (Accessory)
Motor component of VII (Facial)
Motor component of X (Vagus) and sensory component of XII (Hypoglossal)
The Correct Answer is C
A) Motor component of IV (Trochlear): The trochlear nerve primarily controls the superior oblique muscle of the eye, which is responsible for downward and lateral eye movements. The findings described do not relate to eye movement and therefore do not indicate dysfunction of this nerve.
B) Motor and sensory components of XI (Accessory): The accessory nerve innervates the sternocleidomastoid and trapezius muscles, primarily affecting head rotation and shoulder elevation. The symptoms noted in the assessment do not pertain to these muscle functions, so this option is not correct.
C) Motor component of VII (Facial): The signs of asymmetry in frowning, uneven eyebrow lifting, sagging eyelids, and air escaping when puffing the cheeks are characteristic of dysfunction in the facial nerve (cranial nerve VII). This nerve controls the muscles of facial expression, and impairment would lead to the described asymmetrical movements.
D) Motor component of X (Vagus) and sensory component of XII (Hypoglossal): The vagus nerve affects autonomic functions and some swallowing muscles, while the hypoglossal nerve controls tongue movements. Neither nerve is primarily responsible for the facial expressions described in the assessment findings, making this option incorrect.
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Correct Answer is B
Explanation
A) Avoid hand and foot massages: This statement may not be accurate. Gentle massages can sometimes help with circulation and comfort for individuals with peripheral neuropathy. However, caution should be exercised to avoid injury, as the sensation may be diminished.
B) Use a mirror to inspect feet daily: This is an essential teaching point. Clients with peripheral neuropathy often have decreased sensation in their feet, making it difficult to notice injuries or sores. Using a mirror allows them to check for any signs of injury or changes that could lead to complications, such as infections or ulcers.
C) Increase medication for pain as necessary: While managing pain is important, the client should be advised to consult with their healthcare provider before making any changes to their medication regimen. Self-adjusting medication could lead to unintended side effects or complications.
D) Set the water heater at 120°F: This is not advisable for someone with peripheral neuropathy, as they may not have normal temperature sensation. A lower setting is recommended to prevent burns, as the individual may not feel when the water is too hot.
Correct Answer is B
Explanation
A) Dietary history from the patient: This information is subjective as it relies on the patient’s personal account of their eating habits, which may be influenced by memory or perception. It does not provide measurable data.
B) BMI (Body Mass Index): This is an objective measure calculated from a person’s height and weight. It provides quantifiable data that can be used to assess nutritional status and potential health risks associated with body weight.
C) Patient history of alcohol intake: This information is subjective as it is based on the patient’s self-report. It does not provide direct evidence and may vary depending on how the patient perceives their alcohol consumption.
D) Patient complaint of weight loss: This is also subjective data, as it relies on the patient’s perception of their weight change. It does not provide concrete measurements and can be influenced by various factors such as mood or misunderstanding of the situation.